Getting a valid sample - Study guides, Class notes & Summaries

Variables - correct answer-the events, characteristics, behaviors, or conditions that researchers measure and study. subject or participant - correct answer-an individual person or animal a researcher studies. Sample - correct answer-a collection of subjects researchers study. Researchers use samples because they cannot study the entire population. Population - correct answer-the collection of people or animals from which researchers draw a sample. Researchers study the sample and gener...

Elementary Statistics- FINAL EXAM REVIEW Questions and Answers 100% Pass Which of the following represents data? A.Quiz scores from a college level statistics course. B.20% of the students in a math class make an A. C.A radio station announces the results of a contest. D.A local dentist creates a questionnaire to determine the quality of the care received during an office visit - ANSWER-A.Quiz scores from a college level statistics course. A research company performed a study of Machiav...

PSYC 3020 Final Exam | Questions with Verified Answers A categorical variable can always be measured using a nominal scale (T/F) True In soccer, the team with the highest number of goals is categorized as the winner. The other team is categorized as the loser. What type of scale is this? Ordinal Consider political parties from left to right (One nation, Nationals, LNP, Labour, Greens. What type of scale is this? Ordinal Olympics (Gold, Silver, Bronze). What type of scale is this? Ordinal "As ...

CPCE Study Guide 1945 Questions with Answers 2023 The Sensorimotor period is part of whose developmental stage theory? - CORRECT ANSWER Piaget Presenting stimuli in different sequences to reduce "order of presentation" influences in an experiment is called: - CORRECT ANSWER Counterbalancing The Eskimo word "piblokto" refers to "arctic hysteria," characterized by uncontrolled screaming and crying that is often accopanied by running through the snow naked. This is an example of wh...

Statistics BEC1 Final Exam Questions and Answers Latest (Graded). Which of the following correctly describes the relationship between a sample and a population? A.A population and a sample are not related. B.A population is a group of samples that may or may not be included in a study C.A sample is a group of subjects selected from a population to be studied. D.A sample is a group of populations that are subject to observation. Answer Key: C Part 2 of 9 - 2.0/ 2.0 Points Question 2 of 25...

Statistics BEC1 Final Exam Questions and Answers Latest Updated Graded A+. A furniture manufacturer offers bookcases in 5 different sizes and 3 different colors. If every color is available in every size, then the total number of different bookcases is A.5 B.8 C.15 D.30 Answer Key: C Part 3 of 9 - 3.0/ 3.0 Points Question 4 of 25 1.0/ 1.0 Points Find the variance of the following probability distribution. X P(X) 1 0.10 2 0.35 3 0.10 4 0.15 5 0.30 A.1.44 B.2.06 C.1.76 D.1.2 A...

descriptive epidemiology - epidemiologic studies concerned with characterizing the amount and distribution of health and disease within a population WHO is getting sick? (ex sex, age, race/ethnicity) WHERE are they getting sick? (ex country, rural/urban, near factory) WHEN are they getting sick? (over a day, year, decade) descriptive study designs - cross-sectional, case reports, case series, ecologic analytic epidemiology - examines causal hypotheses regarding the association between exp...

Purdue SOC 100 Exam 1 Study Guide Questions and Answers Rated A+ In everyday observation, we gather poor quality data and analyze it poorly. Name an example The way to treat hiccups Difference between inaccurate observation and selective observation? Inaccurate: failure to accuratley observe or pay attention to things in life Selective: paying attention to situations which support our own conclusion Why is it important to know the source of information you use to make decisions and form opini...

Statistics BEC1 Final Exam Questions and Answers Latest Updated Rated A+. A gumball machine contains 300 grape flavored balls, 400 cherry flavored balls, and 500 lemon flavored balls. What is the probability of getting 1 grape ball, 1 cherry ball, and 1 lemon ball if each ball was removed and then replaced before choosing the next from the machine? A.0.0264 B.0.0531 C.0.0347 D.0.0482 Answer Key: C Question 3 of 25 1.0/ 1.0 Points A furniture manufacturer offers bookcases in 5 different...

BCTC STATS EXAM 1 EXAM REPORTED QUESTIONS WITH CORRECT DETAILED ANSWERS Why is a voluntary response sample generally unsuitable for methods of statistics? - Answer-People with special interests are more likely to respond, so the sample is likely to be biased. Based on a study of household incomes of men and women who are married, a researcher concludes that marriage causes people to become wealthier.Do you agree with this conclusion? - Answer-No. There may be a relationship between marital ...